netdev - Re: [PATCH V4 net-next] net: mana: Configure hwc timeout from hardware

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Message-ID: <CABNGXZr+rM7B-inQayHuQAYv17DP3mEKgcXCPHr30BO6xzzaxw@mail.gmail.com>
Date: Tue, 25 Jul 2023 15:19:24 +0530
From: Souradeep Chakrabarti <souradch.linux@...il.com>
To: Leon Romanovsky <leon@...nel.org>
Cc: Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>, kys@...rosoft.com, 
	haiyangz@...rosoft.com, wei.liu@...nel.org, decui@...rosoft.com, 
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, 
	longli@...rosoft.com, sharmaajay@...rosoft.com, cai.huoqing@...ux.dev, 
	ssengar@...ux.microsoft.com, vkuznets@...hat.com, tglx@...utronix.de, 
	linux-hyperv@...r.kernel.org, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org, 
	schakrabarti@...rosoft.com
Subject: Re: [PATCH V4 net-next] net: mana: Configure hwc timeout from hardware

On Wed, Jul 19, 2023 at 12:43 PM Leon Romanovsky <leon@...nel.org> wrote:
>
> On Tue, Jul 18, 2023 at 11:00:32AM -0700, Souradeep Chakrabarti wrote:
> > At present hwc timeout value is a fixed value. This patch sets the hwc
> > timeout from the hardware. It now uses a new hardware capability
> > GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG to query and set the value
> > in hwc_timeout.
> >
> > Signed-off-by: Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>
> > ---
> > V3 -> V4:
> > * Changing branch to net-next.
> > * Changed the commit message to 75 chars per line.
> > ---
> >  .../net/ethernet/microsoft/mana/gdma_main.c   | 30 ++++++++++++++++++-
> >  .../net/ethernet/microsoft/mana/hw_channel.c  | 25 +++++++++++++++-
> >  include/net/mana/gdma.h                       | 20 ++++++++++++-
> >  include/net/mana/hw_channel.h                 |  5 ++++
> >  4 files changed, 77 insertions(+), 3 deletions(-)
>
> <...>
>
> >       gc->hwc.driver_data = NULL;
> >       gc->hwc.gdma_context = NULL;
> > @@ -818,6 +839,7 @@ int mana_hwc_send_request(struct hw_channel_context *hwc, u32 req_len,
> >               dest_vrq = hwc->pf_dest_vrq_id;
> >               dest_vrcq = hwc->pf_dest_vrcq_id;
> >       }
> > +     dev_err(hwc->dev, "HWC: timeout %u ms\n", hwc->hwc_timeout);
>
> Why do you print this message every time and with error level?
> Probably you should delete it.
>
In V5 I have changed it to dev_dbg from dev_err.
> Thanks